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Assertion : There are 72-75 heart beats per minute on an average when a person is performing normal work Reason : One heart beat is completed in 0.8 second.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is falseD. If both assertion and reason are false

Answer» Correct Answer - A
One heartbeat complets in `0.8-0.83` second. Therefore. There are `60//0.8 or 60//83` i.e, `72-75` heart beats per minute on an average when a person is performing normal work.


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